Hi, I need edit the file \windows\system32\config.nt, but don'y allow save file. ???

There is an article on msdn http://windowssdk.msdn.microsoft.com/en-us/library/ms734601.aspxthat describes the four supported ways to change windows resource protected (wrp) files or folders. or look at the MSDN Vista SDK groups

try this link http://techrepublic.com.com/5208-6230-0.html?forumID=47&threadID=160545&messageID=1657346